#include <iostream>
#include <string>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

using namespace std;

string terminal = "/dev/pts/0";

int OpenTerminal()
{
    int fd = open(terminal.c_str(),O_WRONLY);
    if(fd < 0)
    {
        cerr<<"open terminal error"<<endl;
        return 1;
    }
    dup2(fd,2);//将标准输出指向fd
    cout<<"hello world"<<endl;

    close(fd);
    return 0;
}
